MODBUS
MODBUS
Parameter Name and
Register
Register
Description
Base 0
Base 1
0x28C9
10442
fanStatus 21
0x28CA
10443
fanStatus 22
7.1
If a fan needs replacement, follow the steps below to re-address the replaced fan:
•
Set the controller in standby by holding down the ESC button for 3 sec.; UNIT OFF appears on the main screen
•
Disconnect the panel by positioning the General Disconnect Switch QS1 to OFF, and open the magnetic-
thermal switch for the fan to be replaced
•
Replace the fan and reset the wiring
•
Power up the panel again with the General Disconnect Switch QS1 and wait for the software to load and the
main screen to appear
•
Press and hold ENTER for 3 sec. to access the main menu
•
Select the ADVANCED menu, enter the password (default: 10) and access the MODBUS menu. The cursor is
located on START
Next to number for the replaced fan the word OK does not appear
•
Power up the replaced fan by closing the relative magnetothermal switch
•
Wait for 10 seconds, then press ENTER
•
Wait until OK appears for the replaced fan (as much as a one-minute wait may be required)
•
When OK appears, the procedure is completed. Press the ESC key to return to the main screen, then press
and hold the ESC key for 3 seconds to reactivate the regulation (UNIT ON).
LU1W - User Manual
Data Type and Notes
0 = not active,
1 = active,
2 = in alarm
- unsigned short int
0 = not active,
1 = active,
2 = in alarm
- unsigned short int
On-site substituted fan addressing procedure
Default
Min
value
0
0
0
0
72
MODBUS
Decimal
Max
Register
positions
Type
255
0
input
255
0
input
REV.1.1 – 07/11/2017 - ENG